My understanding of F numbers is that it has nothing to do with wild caught or domestic animals. There actually is no F0. Whether the plant or animal being bred is wild or domestic the offspring of your 'starters' are F1, the offspring of F1s are F2s, etc. Backbreaking offspring to parent doesn't usually apply in this system. Mike Wise Yvan Alleau wrote: > hi all, > Since a bunch of us are into genetics and related fields, i have a question: > if the offsrpings of a wild pair (F0) are called F1 > the offsrpings of the F1 called F2 > How do you call a cross between 1 F0 and 1 F1 ? Just curious! > have a good day > > Yvan Alleau > 712 NW Kings Blvd > Corvallis, OR 97330 > College of Oceanic and Atmospheric Sciences > Oregon State University > office (Burt 222): 737-3649, to be used wisely! > home: 738-0606 > > PLEASE NOTE NEW E-MAIL ADDRESS: > yalleau@coas.oregonstate.edu > > "When you're far from everything, you're getting closer to the essential" > > ------------------------------------------------------------------------- > This is the apistogramma mailing list, apisto@listbox.com. > For instructions on how to subscribe or unsubscribe or get help, > email apisto-request@listbox.com. apisto-digest@listbox.com also available. > Web archives at http://lists.thekrib.com/apisto ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto